CN115165557A

CN115165557A - Temperature-change dynamic and static triaxial apparatus for test

Info

Publication number: CN115165557A
Application number: CN202210715110.0A
Authority: CN
Inventors: 王浚翰; 戴梓宸; 韩晶; 何益红; 方晗弛; 范嘉甲; 李玉龙; 李帅; 范鸿; 李少和
Original assignee: Zhejiang Industry Polytechnic College
Current assignee: Zhejiang Industry Polytechnic College
Priority date: 2022-06-22
Filing date: 2022-06-22
Publication date: 2022-10-11

Abstract

The invention provides a temperature-change dynamic and static triaxial apparatus for a test, which comprises a box body, an upper telescopic rod, a main sliding block, a main slideway, a main rotating seat, a lower pressing block, an upper pressing block, a lower telescopic rod, a stirring sleeve and a shell. The casing sets up in the box, the pin joint of stirring sleeve is on the top inner wall of box, the casing corresponds with stirring sleeve. The lower telescopic rod is arranged on the inner wall of the bottom of the box body, and the lower pressing block is arranged on the movable end of the lower telescopic rod. The lower pressing block is tightly attached to the inner wall of the shell. According to the temperature-change dynamic and static triaxial apparatus for the test, the asphalt layer adhered to the top of the sample soil layer can be shoveled off by the cooperation of the box body, the upper telescopic rod, the main sliding block, the main sliding way, the main rotating seat, the lower pressing block, the upper pressing block, the lower telescopic rod, the stirring sleeve and the shell, so that the soil layer below the asphalt layer is reserved, and the temperature-change dynamic and static triaxial apparatus is convenient for repeated use of personnel. The working efficiency is effectively improved.

Description

Temperature-change dynamic and static triaxial apparatus for test

Technical Field

The invention relates to the technical field of triaxial apparatus geological detection equipment, in particular to a temperature-variable dynamic and static triaxial apparatus for a test.

Background

In recent years, the construction of a large number of expressways and the energy expansion transformation of the existing roads in China greatly improve the intensity and frequency of traffic volume and dynamic load, the requirement on the deformation stability of the roadbed is higher and higher, and the deformation caused by the soil freezing action under the action of the dynamic load and the weakening action of the roadbed intensity during subsequent melting have to pay more attention. In particular to the frost heaving deformation and the subsequent slurry turning of the asphalt pavement.

However, traditionally, the pavement is simulated with a top asphalt pavement, a gravel cushion underneath, then a river sand cushion, and finally a ground frozen earth layer. And the tested sample soil layer is generally directly discarded, and when the test is needed again, personnel have to reset and lay all layers. Is greatly inconvenient for the use of personnel.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a temperature-variable dynamic and static triaxial apparatus for a test.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a triaxial apparatus moves about with temperature change for experiment, includes the box, goes up telescopic link, main slider, main slide, main rotation seat, briquetting, goes up the briquetting, telescopic link, churning sleeve and casing down. The casing sets up in the box, the pin joint of stirring sleeve is on the top inner wall of box, the casing corresponds with stirring sleeve. The lower telescopic rod is arranged on the inner wall of the bottom of the box body, and the lower pressing block is arranged on the movable end of the lower telescopic rod. The lower pressing block is tightly attached to the inner wall of the shell, and the main rotating seat is vertically pivoted to the top of the box body. The main slide way is arranged on the main rotating seat, and the main slide block is in sliding fit with the main slide way. The upper telescopic rod is arranged at the bottom of the main sliding block. The upper pressing block is arranged at the movable end of the upper telescopic rod and corresponds to the stirring sleeve, and a sample soil layer is arranged in the shell.

Preferably, still include the linkage subassembly, the linkage subassembly sets up on the stirring sleeve, be provided with the grit in the stirring sleeve.

Preferably, the linkage assembly further comprises a cross slide and a baffle plate, wherein the baffle plate is positioned between the stirring sleeve and the shell. The transverse sliding channel is transversely arranged in the box body. The baffle is in sliding fit with the cross slideway.

Preferably, the linkage assembly further comprises a plurality of wedge blocks and a reset hinge mount. A plurality of openings are arranged on the stirring sleeve at equal angles by taking the stirring sleeve as a center, and the reset hinge seat is arranged in the openings. One end of the wedge-shaped block is hinged on the reset hinge seat, and the wedge-shaped block further comprises a plurality of small shearing pressure heads. A plurality of small-size shearing pressure heads are arranged at the bottom of the upper pressing block.

Preferably, the linkage assembly further comprises a rotating ring seat, a lower toothed ring, a plurality of clamping plates, a plurality of convex blocks, a motor, a plurality of supports and an auxiliary telescopic rod. The lower gear ring is sleeved outside the stirring sleeve and is pivoted with the inner wall of the top of the box body through the rotating ring seat. The plurality of clamping plates are arranged on the inner side of the lower gear ring at equal angles by taking the lower gear ring as a center. The outside of wedge is located splint, a plurality of supports and splint one-to-one, the support sets up on the ring gear down. The auxiliary telescopic rod is vertically arranged on the support, and the convex block is arranged at the movable end of the auxiliary telescopic rod. The convex block corresponds to the outer side of the wedge block. The motor is arranged in the box body, and the output end of the motor is meshed with the lower toothed ring.

Preferably, still include soil sample storage assembly, soil sample storage assembly sets up in the box, soil sample storage assembly is connected with the casing linkage. The soil sample storage assembly comprises a plurality of heat conductors, and the plurality of heat conductors are arranged on the outer side of the shell.

Preferably, the soil sample storage assembly further comprises a lower movable plug bush and a plurality of upper plug boards. A plurality of gaps are formed in the lower movable plug bush, and the plurality of upper plug boards are matched with the plurality of gaps. The plurality of upper insertion plates are distributed on the inner wall of the shell at equal angles by taking the shell as a center. The lower movable plug bush is in sliding fit with the inner wall of the shell, and the lower movable plug bush is sleeved on the movable end of the lower telescopic rod. The lower pressing block is positioned in the lower movable insertion sleeve.

Preferably, the box body further comprises a plurality of prying assemblies, and the prying assemblies are vertically arranged on the inner wall of the bottom of the box body. The plurality of prying assemblies correspond to the gaps of the lower movable plug bushes one by one.

Preferably, the prying assembly comprises an inserting plate, a sliding block, a telescopic rod and a vertical slide way. The vertical slide is vertically arranged on the inner wall of the bottom of the box body, and the sliding block is in sliding fit with the vertical slide. The telescopic link transversely sets up on the slider, the picture peg sets up the expansion end at the telescopic link. And the gap of the lower movable plug bush corresponds to the plug board.

(III) advantageous effects

The invention provides a temperature-variable dynamic and static triaxial apparatus for a test. The method has the following beneficial effects:

1. according to the temperature-change dynamic and static triaxial apparatus for the test, the asphalt layer adhered to the top of the sample soil layer can be shoveled off by the cooperation of the box body, the upper telescopic rod, the main sliding block, the main sliding way, the main rotating seat, the lower pressing block, the upper pressing block, the lower telescopic rod, the stirring sleeve and the shell, so that the soil layer below the asphalt layer is reserved, and the temperature-change dynamic and static triaxial apparatus is convenient for repeated use of personnel. The working efficiency is effectively improved.

Drawings

FIG. 1 is a first perspective view of the present invention;

FIG. 2 is a second perspective view of the present invention;

FIG. 3 is a front cross-sectional view of the present invention;

FIG. 4 is a perspective view of a first partial member of the present invention;

FIG. 5 is a perspective view of a second partial component of the present invention;

FIG. 6 is a perspective view of a third partial component of the present invention;

fig. 7 is a perspective view of a fourth partial component of the present invention.

In the figure: the device comprises a box body 1, a transverse slide rail 2, a main rotating seat 3, a main slide rail 4, a main slide block 5, an upper telescopic rod 6, a small shearing pressure head 7, a rotating ring seat 8, a support 9, a lower toothed ring 10, a stirring sleeve 11, a baffle 12, a shell 13, a vertical slide rail 14, a lower telescopic rod 15, a plug board 16, a slide block 17, an telescopic rod 18, a heat conductor 19, a soil sample storage component 20, a convex block 21, a linkage component 22, an auxiliary telescopic rod 23, a lower pressing block 24, a prying component 25, a movable plug bush 26, an upper plug board 27, a soil sample layer 28, an upper pressing block 29, a clamping plate 30, a wedge block 31, a resetting hinged seat 32 and a motor 33.

Detailed Description

The embodiment of the invention provides a temperature-change dynamic and static triaxial apparatus for a test, which comprises a box body 1, an upper telescopic rod 6, a main sliding block 5, a main slideway 4, a main rotating seat 3, a lower pressing block 24, an upper pressing block 29, a lower telescopic rod 15, a stirring sleeve 11 and a shell 13, as shown in figures 1-7. The shell 13 is arranged in the box body 1, the stirring sleeve 11 is pivoted on the inner wall of the top of the box body 1, and the shell 13 corresponds to the stirring sleeve 11. The lower telescopic rod 15 is arranged on the inner wall of the bottom of the box body 1, and the lower pressing block 24 is arranged on the movable end of the lower telescopic rod 15. The lower pressing block 24 is tightly attached to the inner wall of the shell 13, and the main rotating base 3 is vertically pivoted at the top of the box body 1. The main slide way 4 is arranged on the main rotating seat 3, and the main slide block 5 is in sliding fit with the main slide way 4. The upper telescopic rod 6 is arranged at the bottom of the main sliding block 5. The upper pressing block 29 is arranged at the movable end of the upper telescopic rod 6, the upper pressing block 29 corresponds to the stirring sleeve 11, and the sample soil layer 28 is arranged in the shell 13.

Still include linkage assembly 22, linkage assembly 22 sets up on stirring sleeve 11, is provided with the grit in the stirring sleeve 11.

The linkage assembly 22 further comprises a cross runner 2 and a baffle 12, the baffle 12 being located between the mixing sleeve 11 and the housing 13. The transverse slideway 2 is transversely arranged in the box body 1. The baffle 12 is slidably fitted on the cross runner 2.

Linkage assembly 22 further includes a plurality of wedge blocks 31 and a reset hinge mount 32. A plurality of openings are formed in the stirring sleeve 11 at equal angles by taking the stirring sleeve 11 as a center, and the reset hinge seat 32 is arranged in the openings. One end of the wedge block 31 is hinged on the reset hinge seat 32 and also comprises a plurality of small-sized shearing pressing heads 7. A plurality of small shear rams 7 are provided at the bottom of the upper press block 29.

The linkage assembly 22 further comprises a rotating ring seat 8, a lower toothed ring 10, a plurality of clamping plates 30, a plurality of lugs 21, a motor 33, a plurality of supports 9 and a secondary telescopic rod 23. The lower gear ring 10 is sleeved outside the stirring sleeve 11, and the lower gear ring 10 is pivoted with the top inner wall of the box body 1 through the rotating ring seat 8. The plurality of clamping plates 30 are disposed inside the lower ring gear 10 at an equal angle with respect to the lower ring gear 10. The outer side of the wedge block 31 is positioned in the clamping plate 30, a plurality of supports 9 correspond to the clamping plate 30 one by one, and the supports 9 are arranged on the lower toothed ring 10. The auxiliary telescopic rod 23 is vertically arranged on the support 9, and the convex block 21 is arranged at the movable end of the auxiliary telescopic rod 23. The projection 21 corresponds to the outer side of the wedge 31. The motor 33 is arranged in the box body 1, and the output end of the motor 33 is meshed with the lower gear ring 10.

Through the rotation ring seat 8 that sets up, lower ring gear 10, a plurality of splint 30, a plurality of lugs 21, motor 33, a plurality of support 9 and vice telescopic link 23 mutually support, can avoid personnel to the artificial manufacturing on pitch road, can be with the automatic layering of grit of mixing through the vibration, and then make things convenient for personnel's use, the laying of pitch is also more convenient, faster simultaneously. Meanwhile, the asphalt layer and the sample soil layer are combined, and the projected retraction of the stirring teeth can not affect the asphalt layer and the sample soil layer.

Still include soil sample storage component 20, soil sample storage component 20 sets up in box 1, and soil sample storage component 20 is connected with the linkage of casing 13. The soil sample storage assembly 20 includes a plurality of heat conductors 19, and the plurality of heat conductors 19 are disposed outside the housing 13.

The soil sample storage assembly 20 further includes a lower removable insert 26 and a plurality of upper insert plates 27. A plurality of gaps are formed in the lower movable inserting sleeve 26, and a plurality of upper inserting plates 27 are matched with the gaps. The plurality of upper insert plates 27 are equiangularly distributed on the inner wall of the housing 13 centering on the housing 13. A lower movable sleeve 26 is a sliding fit on the inner wall of the housing 13, the lower movable sleeve 26 being fitted over the movable end of the lower telescopic rod 15. The lower press block 24 is located within the lower movable insert 26.

And the box body further comprises a plurality of prying assemblies 25, and the prying assemblies 25 are vertically arranged on the inner wall of the bottom of the box body 1. The plurality of prying assemblies 25 correspond one-to-one to the gaps of the lower movable insert 26.

The pry assembly 25 includes an insert 16, a block 17, a telescoping bar 18, and an upright slide 14. The vertical slide way 14 is vertically arranged on the inner wall of the bottom of the box body 1, and the sliding block 17 is in sliding fit with the vertical slide way 14. The telescopic rod 18 is transversely arranged on the sliding block 17, and the inserting plate 16 is arranged at the movable end of the telescopic rod 18. The lower movable sleeve 26 has a clearance corresponding to the insert plate 16.

Through the mutual cooperation of the inserting plate 16, the sliding block 17, the telescopic rod 18 and the vertical slide way 14, the compressed and damaged sample can be cut and separated, the original waste asphalt layer is removed, and the sample soil layer at the bottom of the sample soil layer is conveniently recycled. Is convenient for people to use.

The working principle is as follows: in use, the baffle plate 12 is first inserted between the stirring sleeve 11 and the housing 13. Then pour into river sand and rubble simultaneously in will stirring sleeve 11, wedge 31 shrink this moment, stirring sleeve 11's inner wall becomes smooth form this moment, then fork under the repetitive control lug 21, extrusion wedge 31 forces wedge 31 to stretch out from stirring sleeve 11's inner wall, control motor 33 work after that, make down ring gear 10 rotate, river sand and the rubble in the stirring sleeve 11 this moment rock, and then the upper strata is the bold rubble, the layering of lower floor's river sand, it waters pitch, it is level and smooth to force the pitch layer through last briquetting 29 extrusion. The baffle 12 is drawn out to make the asphalt layer and the sample soil layer 28 follow, and then the pavement sample is integrated through the extrusion of the upper pressing block 29. The temperature of the sub-soil-like layer 28 is regulated by the heat conductor 19. Then, the detection data of the sample is obtained by uneven pressing of a plurality of small shearing indenters 7. When the experiment is completed, the lower movable insert 26 is separated from the upper insert plate 27 by retracting the lower press block 24. The sample soil layer 28 and the asphalt layer fall onto the lower pressing block 24, and then the sliding block 17 is controlled to adjust the position on the vertical slide way 14. The telescopic link 18 stretches out, and the inserting plate 16 penetrates through the gap of the lower movable inserting sleeve 26 and is inserted into the connecting position of the asphalt layer 28, so that the asphalt layer is separated from the asphalt layer 28, and the asphalt layer 28 can be conveniently reused.

To sum up, the temperature-change dynamic-static triaxial apparatus for the test can shovel off the asphalt layer adhered to the top of the sample soil layer 28 by mutually matching the box body 1, the upper telescopic rod 6, the main slider 5, the main slideway 4, the main rotating seat 3, the lower pressing block 24, the upper pressing block 29, the lower telescopic rod 15, the stirring sleeve 11 and the shell 13, so that the soil layer below the asphalt layer is reserved, and the temperature-change dynamic-static triaxial apparatus is convenient for repeated use of personnel. The working efficiency is effectively improved.

Claims

1. The utility model provides an experimental three-axis appearance of sound with temperature change which characterized in that: including box (1), go up telescopic link (6), main slider (5), main slide (4), main seat (3), briquetting (24) down, go up briquetting (29), telescopic link (15), stirring sleeve (11) and casing (13) of rotating, casing (13) set up in box (1), stirring sleeve (11) pin joint is on the top inner wall of box (1), casing (13) are corresponding with stirring sleeve (11), telescopic link (15) set up on the bottom inner wall of box (1) down, briquetting (24) set up on the activity of telescopic link (15) down is served, briquetting (24) closely laminate with the inner wall of casing (13) down, the main top of rotating the vertical pin joint of seat (3) at box (1), main slide (4) set up on main seat (3) of rotating, main slider (5) sliding fit is on main telescopic link (4), it sets up the bottom at main slider (5) to go up briquetting (6), it sets up the briquetting (29) in the last of main slider (6), it is corresponding with the stirring sleeve (13) to go up briquetting (13), it is provided with the soil layer (13) to go up briquetting (29).

2. The temperature-variable dynamic-static triaxial apparatus for the test according to claim 1, wherein: still include linkage subassembly (22), linkage subassembly (22) set up on stirring sleeve (11), be provided with the grit in stirring sleeve (11).

3. The temperature-variable dynamic-static triaxial apparatus for the test according to claim 2, wherein: linkage subassembly (22) still include horizontal slide (2) and baffle (12), baffle (12) are located between stirring sleeve (11) and casing (13), horizontal slide (2) transversely set up in box (1), baffle (12) sliding fit is on horizontal slide (2).

4. The temperature-varying dynamic-static triaxial apparatus for testing according to claim 3, wherein: linkage subassembly (22) still include a plurality of wedge blocks (31) and articulated seat (32) reset, use stirring sleeve (11) to offer a plurality of openings as angles such as center on stirring sleeve (11), articulated seat (32) that resets set up in the opening, the one end of wedge block (31) articulates on articulated seat (32) resets, still includes a plurality of small-size shearing pressure heads (7), and a plurality of small-size shearing pressure heads (7) set up the bottom at last briquetting (29).

5. The temperature-varying dynamic-static triaxial apparatus for test according to claim 4, wherein: linkage subassembly (22) still includes rotating ring seat (8), lower ring gear (10), a plurality of splint (30), a plurality of lug (21), motor (33), a plurality of support (9) and vice telescopic link (23), ring gear (10) cover is in stirring sleeve (11) outside down, ring gear (10) are through rotating ring seat (8) and the pivot of the top inner wall of box (1) down, and ring gear (10) are angle setting such as center under a plurality of splint (30) are inboard in ring gear (10), the outside of wedge (31) is located splint (30), a plurality of support (9) and splint (30) one-to-one, support (9) set up under on ring gear (10), the vertical setting of vice telescopic link (23) is on support (9), lug (21) set up the expansion end at vice telescopic link (23), lug (21) are corresponding with the outside of wedge (31), motor (33) set up in box (1), the output of motor (33) and the meshing under ring gear (10).

6. The temperature-variable dynamic-static triaxial apparatus for the test according to claim 5, wherein: still include soil sample storage component (20), soil sample storage component (20) set up in box (1), soil sample storage component (20) are connected with casing (13) linkage, soil sample storage component (20) include a plurality of heat conductors (19), and a plurality of heat conductors (19) set up the outside at casing (13).

7. The temperature-varying dynamic-static triaxial apparatus for testing according to claim 6, wherein: soil sample storage component (20) still includes activity plug bush (26) and a plurality of picture peg (27) of going up down, a plurality of spaces have been seted up on activity plug bush (26) down, and picture peg (27) and a plurality of space looks adaptation go up in a plurality of, and a plurality of picture peg (27) of going up use casing (13) to be the inner wall of central equiangular distribution at casing (13), activity plug bush (26) sliding fit is on the inner wall of casing (13) down, activity plug bush (26) cover is served in the activity of telescopic link (15) down, briquetting (24) are located down in activity plug bush (26) down.

8. The temperature-variable dynamic-static triaxial apparatus for test according to claim 7, wherein: still include a plurality of sled subassemblies (25), a plurality of sled subassemblies (25) are vertical to be set up on the bottom inner wall of box (1), and a plurality of sled subassemblies (25) and the clearance one-to-one of lower movable plug bush (26).

9. The temperature-varying dynamic-static triaxial apparatus for test according to claim 8, wherein: sled subassembly (25) including picture peg (16), slider (17), telescopic link (18) and vertical slide (14), vertical setting of vertical slide (14) is on the bottom inner wall of box (1), slider (17) sliding fit is on vertical slide (14), telescopic link (18) transversely set up on slider (17), picture peg (16) set up the expansion end at telescopic link (18), the space of lower activity plug bush (26) is corresponding with picture peg (16).